The sprayd daemon must be disabled on AIX.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-215382 | AIX7-00-003077 | SV-215382r958478_rule | CCI-000381 | medium |
| Description | ||||
| The sprayd service is used as a tool to generate UDP packets for testing and diagnosing network problems. The service must be disabled if NFS is not in use, as it can be used by attackers in a Distributed Denial of Service (DDoS) attack. | ||||
| STIG | Date | |||
| IBM AIX 7.x Security Technical Implementation Guide | 2024-08-16 | |||
Details
Check Text (C-215382r958478_chk)
From the command prompt, execute the following command:
# grep "^sprayd[[:blank:]]" /etc/inetd.conf
If there is any output from the command, this is a finding.
Fix Text (F-16578r294598_fix)
In "/etc/inetd.conf", comment out the "sprayd" entry by running command:
# chsubserver -r inetd -C /etc/inetd.conf -d -v 'sprayd' -p 'udp'
Restart inetd:
# refresh -s inetd